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REMOVAL AND INSTALLATION
 
 
warning
  • Never attempt to disassemble or repair the occupant classification-ECU. If faulty, replace it.
  • Do not drop or subject the occupant classification-ECU to impact or vibration. Replace the occupant classification-ECU, if dents, cracking, deformation, or rust are present.
caution
  • Always replace the front seat cushion pad assembly together with the occupant classification-ECU.
  • When replacing the front seat cushion pad assembly, be careful not to apply static electricity to it.
  • The front seat cushion pad assembly must not be damped with any liquid or steam.
Pre-removal Operation
  • Turn off the power supply mode of the electric motor switch.
Removal steps
<<A>>1.Negative (-) battery cable
•Occupant classification-ECU (Refer to GROUP 52A, Front seat assembly )
Installation steps
>>A<<•Pre-installation inspection
•Occupant classification-ECU (Refer to GROUP 52A, Front seat assembly )
1.Negative (-) battery cable
>>B<<•Post-installation inspection
 
 
REMOVAL SERVICE POINT
 
 
<<A>> NEGATIVE (-) BATTERY CABLE DISCONNECTION
dangerWait at least 60 seconds after disconnecting the battery cable before doing any further work (Refer to ).
warningBattery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.
Disconnect the negative (-) battery cable from the battery and tape the terminal to prevent accidental connection and air bag(s) deployment.
 
 
 
 
INSTALLATION SERVICE POINTS
 
 
>>A<< PRE-INSTALLATION INSPECTION
Check the occupant classification-ECU for dents, breakage and bending and measure the resistance between the terminals, even when installing a new occupant classification-ECU.

 
 
>>B<< POST-INSTALLATION INSPECTION
1. Turn on the power supply mode of the electric motor switch.
2. Check that the SRS warning light is illuminated for 6 to 8 seconds, and extinguished afterward.
3. If the light does not extinguish, perform the troubleshooting (Refer to ).